An officer shall discharge the duties of an office in good faith, in a manner the officer reasonably believes to be in the best interests of the corporation, and with the care an ordinarily prudent person in a like position would exercise under similar circumstances. An individual exercising the principal functions of an office or to whom some or all of the duties and powers of an office are delegated pursuant to section 10-19.1-59 is deemed an officer for purposes of this section and sections 10-19.1-86 and 10-19.1-91.